One of the earliest forms of a cipher. Sometimes called a Ceasar cipher. * Easy to crack using word patterns, frequency analysis, or brute force.

Method

Transpose the letters of the alphabet. Example - Real letter: abcdefghijklmnopqrstuvwxyz Conde letter: defghijklmnopqrstuvwxyzabc

wkh txlfn eurzq ira mxpsv ryhu wkh odcb grj the quick brown fox jumps over the lazy dog